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Porosity, Permeability, & Capillarity

Exploring how sediments differ in shapes and sizes and how that affects water movement

Nicole Sisler

on 3 April 2013

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Transcript of Porosity, Permeability, & Capillarity

Exploring how sediment differs in shape and size and how it affects water movement Important
Vocabulary POROSITY PERMEABILITY CAPILLARITY Rocks or bodies of sediment are able to
hold or store water because of POROSITY. The capacity of the rock,
sediments, and/or particles for
transmitting fluids is PERMEABILITY. Capillary actions causes fluids to be drawn up into small pore spaced through surface tension. REVIEW Porosity, Permeability, & Capillarity SEDIMENTS INFILTRATION SOIL SOIL PROFILE POROSITY CAPILLARITY PERMEABILITY Round Sediments = More Porous Angled Sediments = Less Porous Hint: Size Doesn't Matter Hint: Size and Shape Matters! Large & Round Sediments = Most Permeable (BEST) Small & Round Sediments = More Permeable (GOOD) Round & Angled Sediments = Less Permeable (POOR) Mixed Sized & Angled Sediments = Less Permeable (POOR) Hint: Size Matters! Small & Round Sediments = Most Capillarity (BEST) Large & Round Sediments = Some Capillarity (FAIR) Mixed Sizes & Angled Sediments = Less Capillarity (POOR) Material that forms on earth's surface as a result of organic and inorganic processes.
Soil varies with climate, location, plant and animal life, time, slope of land, and parent material. Solid fragmented material that began as rocks. These rocks were weathered down, transported, and deposited by air, water, or ice. Examples: Sand, Gravel, Silt, Mud A vertical strip of soil stretching from the surface down to the bedrock and including all of the successive soil horizons. The process of water moving down through (soaking into) the layers of soil. The movement (percolation) of water into soil or porous rock. http://stowacres.files.wordpress.com/2010/04/porosity-low-high.jpg
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